Analysis
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max time kernel
136s -
max time network
65s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
29-05-2021 19:45
Static task
static1
Behavioral task
behavioral1
Sample
lchosts.exe
Resource
win7v20210410
General
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Target
lchosts.exe
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Size
6.0MB
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MD5
1c9ed680c8f20831f7b4971864b6d0eb
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SHA1
75df662b750a83875fe49912f9b70609571eb212
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SHA256
e815e3fc60f7c5249254d411c983b93553b8e59832403093eaf25db133b2e77f
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SHA512
c55d486bdadde59da0766c7830c769a9bda8067fa816a9990a03e71023cad106199bfac81add03b902658bf1ade5936a210e947a488ed40e55bb36eefcdb0d34
Malware Config
Extracted
danabot
1827
3
184.95.51.183:443
184.95.51.175:443
192.210.198.12:443
184.95.51.180:443
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embedded_hash
AEF96B4D339B580ABB737F203C2D0F52
Signatures
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Blocklisted process makes network request 4 IoCs
Processes:
RUNDLL32.EXEflow pid process 11 3460 RUNDLL32.EXE 14 3460 RUNDLL32.EXE 15 3460 RUNDLL32.EXE 17 3460 RUNDLL32.EXE -
Deletes itself 1 IoCs
Processes:
rundll32.exepid process 2180 rundll32.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exeRUNDLL32.EXEpid process 2180 rundll32.exe 3460 RUNDLL32.EXE 3460 RUNDLL32.EXE -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
rundll32.exeRUNDLL32.EXEdescription pid process Token: SeDebugPrivilege 2180 rundll32.exe Token: SeDebugPrivilege 3460 RUNDLL32.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
lchosts.exerundll32.exedescription pid process target process PID 2996 wrote to memory of 2180 2996 lchosts.exe rundll32.exe PID 2996 wrote to memory of 2180 2996 lchosts.exe rundll32.exe PID 2996 wrote to memory of 2180 2996 lchosts.exe rundll32.exe PID 2180 wrote to memory of 3460 2180 rundll32.exe RUNDLL32.EXE PID 2180 wrote to memory of 3460 2180 rundll32.exe RUNDLL32.EXE PID 2180 wrote to memory of 3460 2180 rundll32.exe RUNDLL32.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\lchosts.exe"C:\Users\Admin\AppData\Local\Temp\lchosts.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2996 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\LCHOST~1.DLL,Z C:\Users\Admin\AppData\Local\Temp\lchosts.exe2⤵
- Deletes itself
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Windows\SysWOW64\RUNDLL32.EXEC:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\LCHOST~1.DLL,jjhWfI163⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
PID:3460
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
7ac078a4c0a0c82464f31418b512cad7
SHA1edafdb4391106484521c3a76890690ee525a9d68
SHA2568c8d6d7a1c6ce3ae445a85b32aac61eef74d00effcaaac0379d33cd299008418
SHA512e5c6cff838a20a0130ed42b170fdd0fcca3491dd65ffb4ced4612b8c8598b3083172f3218a5471c22ffdd6189f748c22e6c7b9417a775344b04956fa2e141507
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MD5
7ac078a4c0a0c82464f31418b512cad7
SHA1edafdb4391106484521c3a76890690ee525a9d68
SHA2568c8d6d7a1c6ce3ae445a85b32aac61eef74d00effcaaac0379d33cd299008418
SHA512e5c6cff838a20a0130ed42b170fdd0fcca3491dd65ffb4ced4612b8c8598b3083172f3218a5471c22ffdd6189f748c22e6c7b9417a775344b04956fa2e141507
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MD5
7ac078a4c0a0c82464f31418b512cad7
SHA1edafdb4391106484521c3a76890690ee525a9d68
SHA2568c8d6d7a1c6ce3ae445a85b32aac61eef74d00effcaaac0379d33cd299008418
SHA512e5c6cff838a20a0130ed42b170fdd0fcca3491dd65ffb4ced4612b8c8598b3083172f3218a5471c22ffdd6189f748c22e6c7b9417a775344b04956fa2e141507
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MD5
7ac078a4c0a0c82464f31418b512cad7
SHA1edafdb4391106484521c3a76890690ee525a9d68
SHA2568c8d6d7a1c6ce3ae445a85b32aac61eef74d00effcaaac0379d33cd299008418
SHA512e5c6cff838a20a0130ed42b170fdd0fcca3491dd65ffb4ced4612b8c8598b3083172f3218a5471c22ffdd6189f748c22e6c7b9417a775344b04956fa2e141507